Folding knife



FIG. 1 is a perspective view of a folding knife according to the present invention, wherein the blade is extended;

FIG. 2 is a left side view of the folding knife of FIG. 1;

FIG. 3 is a right side view of the folding knife of FIG. 1;

FIG. 4 is a top view of the folding knife of FIG. 1;

FIG. 5 is a bottom view of the folding knife of FIG. 1;

FIG. 6 is a front view of the folding knife of FIG. 1;

FIG. 7 is a back view of the folding knife of FIG. 1; and,

FIG. 8 is a perspective view of the folding knife of FIG. 1 with the blade folded.

The broken lines depict portions of the folding knife in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for a folding knife, as shown and described. 